/* 首页专用样式 */

/* 幻灯片容�?*/
.hero-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-top: 0;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 幻灯�?*/
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 幻灯背景 */
.slide:nth-child(1) {
    background-image: url('/images/index1.jpg');
    background-color: #667eea; /* 图片加载失败时的备用颜色 */
}

/* 幻灯背景 */
.slide:nth-child(2) {
    background-image: url('/images/index2.jpg');
    background-color: #764ba2;
}

/* 幻灯背景 */
.slide:nth-child(3) {
    background-image: url('/images/index3.jpg');
    background-color: #667eea;
}

.slide.active {
    opacity: 1;
}

/* 幻灯片遮罩层（渐变效果） */
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}

/* 幻灯片内?*/
.slide-content {
    position: relative;
    z-index: 2;
    max-width: 75vw;
    width: 75%;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease;
}

/* 幻灯片1 - 文字位置 */
.slide-1-content {
    text-align: right;
    padding-left: 10%;
}

/* 幻灯片2 - 文字位置 */
.slide-2-content {
    text-align: right;
    padding-left: 10%;
}

/* 幻灯片3 - 文字位置 */
.slide-3-content {
     text-align: right;
    padding-left: 10%;
}

/* ========== 入场动画定义 =========*/

/* 从左侧滑入 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 从右侧滑入 */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 从下方淡入 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 缩放淡入 */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 旋转淡入 */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* 弹跳淡入 */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

.slide-content h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    /* 标题动画：从左侧滑入 */
    animation: slideInLeft 0.8s ease-out forwards;
}

.slide-content h2 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    animation: slideInLeft 0.8s ease-out forwards;
}

.slide-content p {
    font-size: 22px;
    margin-bottom: 40px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
    /* 副标题动画：从下方淡入，延迟0.3秒 */
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
    opacity: 0; /* 初始隐藏 */
}

.slide-content .cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    /* 按钮动画：缩放淡入，延迟0.6秒 */
    animation: scaleIn 0.6s ease-out 0.6s forwards;
    opacity: 0; /* 初始隐藏 */
}

.slide-content .cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 左右箭头 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 32px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

/* 底部圆点指示�?*/
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.dot {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.dot.active {
    background: white;
    border-color: #667eea;
    transform: scale(1.3);
}

/* 核心业务板块 */
.core-services-section {
    background: #f8f8f8;
    padding: 50px 0;
}

.core-services-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
}

.core-services-header {
    text-align: center;
    margin-bottom: 40px;
}

.core-services-title {
    font-size: 36px;
    font-weight: 700;
    color: #ff6b00;
    margin: 0;
    line-height: 1.4;
}

.core-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.core-service-card {
    background: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-top: 3px solid #eee;
}

.core-service-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.15);
    border-top-color: #ff6b00;
}

.core-service-card.core-service-featured {
    background: linear-gradient(135deg, #ff6b00 0%, #f55a00 100%);
    border-top-color: #ff6b00;
}

.core-service-card.core-service-featured .core-service-name,
.core-service-card.core-service-featured .core-service-desc {
    color: white;
}

.core-service-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.95);
    color: #ff6b00;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 15px;
}

.core-service-icon {
    width: 45px;
    height: 45px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-service-card.core-service-featured .core-service-icon svg path,
.core-service-card.core-service-featured .core-service-icon svg circle,
.core-service-card.core-service-featured .core-service-icon svg rect,
.core-service-card.core-service-featured .core-service-icon svg line {
    stroke: white;
    fill: white;
}

.core-service-name {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin: 0 0 10px 0;
}

.core-service-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.core-service-card.core-service-featured .core-service-desc {
    color: rgba(255, 255, 255, 0.92);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .core-services-section {
        padding: 35px 0;
    }
    
    .core-services-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .core-services-title {
        font-size: 20px;
        padding: 0 10px;
    }
    
    .core-services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .core-service-card {
        padding: 20px;
    }
    
    .core-service-name {
        font-size: 15px;
    }
    
    .core-service-desc {
        font-size: 12px;
    }
    
    .core-service-icon {
        width: 38px;
        height: 38px;
        margin-bottom: 14px;
    }
    
    .core-service-badge {
        font-size: 10px;
        padding: 2px 8px;
    }
}

/* 硬核设备与专业资质板块 */
.equipment-section {
    background: white;
    padding: 50px 0;
    border-top: 1px solid #eee;
}

.equipment-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
}

.equipment-header {
    text-align: center;
    margin-bottom: 40px;
}

.equipment-title {
    font-size: 36px;
    font-weight: 700;
    color: #000000;
    margin: 0;
    line-height: 1.4;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.equipment-card {
    background: #f8f8f8;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.equipment-card:hover {
    background: white;
    border-color: #ff6b00;
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.1);
}

.equipment-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.equipment-name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px 0;
}

.equipment-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

.equipment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.equipment-list li {
    font-size: 13px;
    color: #ff6b00;
    padding: 6px 0;
    position: relative;
    padding-left: 20px;
    text-align: left;
}

.equipment-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #ff6b00;
    border-radius: 50%;
}

/* 设备板块移动端适配 */
@media (max-width: 768px) {
    .equipment-section {
        padding: 35px 0;
    }
    
    .equipment-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .equipment-title {
        font-size: 20px;
        padding: 0 10px;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .equipment-card {
        padding: 25px;
    }
    
    .equipment-name {
        font-size: 16px;
    }
    
    .equipment-desc {
        font-size: 12px;
    }
    
    .equipment-list li {
        font-size: 12px;
    }
}

/* 核心技术解读板块 */
.tech-section {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ff6b00, transparent);
}

.tech-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
}

.tech-header {
    text-align: center;
    margin-bottom: 50px;
}

.tech-title {
    font-size: 30px;
    font-weight: 700;
    color: white;
    margin: 0;
    position: relative;
}

.tech-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #ff6b00;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
}

.tech-item:last-child {
    margin-bottom: 0;
}

.tech-item-left {
    flex-direction: row;
}

.tech-item-right {
    flex-direction: row-reverse;
}

.tech-image {
    flex: 1;
    max-width: 50%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(255, 107, 0, 0.2);
}

.tech-content {
    flex: 1;
}

.tech-name {
    font-size: 22px;
    font-weight: 600;
    color: #ff6b00;
    margin: 0 0 15px 0;
}

.tech-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin: 0 0 20px 0;
}

.tech-highlight {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.15);
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid rgba(255, 107, 0, 0.3);
}

.highlight-icon {
    color: #ff6b00;
    font-weight: bold;
}

.highlight-text {
    font-size: 13px;
    color: #ffb366;
}

/* 技术板块移动端适配 */
@media (max-width: 768px) {
    .tech-section {
        padding: 40px 0;
    }
    
    .tech-container {
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
    }
    
    .tech-title {
        font-size: 22px;
    }
    
    .tech-item {
        flex-direction: column !important;
        gap: 25px;
        margin-bottom: 40px;
    }
    
    .tech-image {
        max-width: 100%;
        width: 100%;
    }
    
    .tech-name {
        font-size: 18px;
    }
    
    .tech-desc {
        font-size: 13px;
    }
}

/* 常见问题解答板块 */
.faq-section {
    background: linear-gradient(135deg, #fff 0%, #f8fafc 50%, #f5f5f5 100%);
    padding: 80px 0;
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ff6b00, transparent);
}

.faq-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
}

.faq-header {
    text-align: center;
    margin-bottom: 50px;
}

.faq-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
    position: relative;
}

.faq-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b00, #ff8c33);
    border-radius: 2px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.faq-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 107, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.faq-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #ff6b00, #ff8c33);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.faq-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(255, 107, 0, 0.15);
    border-color: rgba(255, 107, 0, 0.3);
}

.faq-card:hover::before {
    opacity: 1;
}

.faq-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.faq-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, #ff6b00, #ff8c33);
    color: white;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 20px;
}

.faq-number {
    font-size: 28px;
    font-weight: 700;
    color: rgba(255, 107, 0, 0.15);
    font-family: 'Arial Black', sans-serif;
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 18px 0;
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
}

.faq-q-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #ff6b00, #ff8c33);
    color: white;
    font-size: 14px;
    font-weight: 700;
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
}

.faq-answer {
    display: flex;
    align-items: flex-start;
}

.faq-a-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #f0f0f0;
    color: #666;
    font-size: 14px;
    font-weight: 600;
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
}

.faq-a-text {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

/* FAQ板块移动端适配 */
@media (max-width: 768px) {
    .faq-section {
        padding: 50px 0;
    }
    
    .faq-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .faq-title {
        font-size: 24px;
        padding: 0 10px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .faq-card {
        padding: 20px;
    }
    
    .faq-question {
        font-size: 16px;
    }
    
    .faq-a-text {
        font-size: 14px;
    }
}

/* 工程案例板块 */
.cases-section {
    background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
    padding: 60px 0;
    border-top: 1px solid #eee;
}

.cases-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
}

.cases-header {
    text-align: center;
    margin-bottom: 50px;
}

.cases-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin: 0 0 15px 0;
}

.cases-subtitle {
    font-size: 15px;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.12);
}

.case-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.case-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: #f5f5f5;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-info {
    padding: 20px;
}

.case-name {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin: 0 0 10px 0;
    transition: color 0.3s ease;
}

.case-card:hover .case-name {
    color: #ff6b00;
}

.case-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.case-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 30px;
    height: 30px;
    background: #ff6b00;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s ease;
}

.case-card:hover .case-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* 工程案例板块移动端适配 */
@media (max-width: 768px) {
    .cases-section {
        padding: 40px 0;
    }
    
    .cases-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .cases-title {
        font-size: 22px;
        padding: 0 10px;
    }
    
    .cases-subtitle {
        font-size: 13px;
        padding: 0 15px;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .case-image {
        height: 120px;
    }
    
    .case-info {
        padding: 15px;
    }
    
    .case-name {
        font-size: 15px;
    }
    
    .case-desc {
        font-size: 12px;
    }
    
    .case-arrow {
        width: 25px;
        height: 25px;
        font-size: 14px;
        bottom: 15px;
        right: 15px;
    }
}

/* 公司简介板块 */
.company-intro-section {
    background: linear-gradient(135deg, #fff 0%, #fafafa 50%, #fff 100%);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.company-intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    width: 30%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.05) 0%, transparent 70%);
}

.company-intro-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: -10%;
    width: 30%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.05) 0%, transparent 70%);
}

.company-intro-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
    position: relative;
    z-index: 1;
}

.company-intro-header {
    text-align: center;
    margin-bottom: 50px;
}

.company-intro-title {
    font-size: 30px;
    font-weight: 700;
    color: #333;
    margin: 0 0 15px 0;
    position: relative;
}

.company-intro-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ff6b00, transparent);
}

.company-intro-subtitle {
    font-size: 15px;
    color: #666;
    margin: 0;
    line-height: 1.8;
}

.company-intro-content {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 40px;
    align-items: center;
}

.company-intro-image {
    position: relative;
}

.company-intro-visual {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
}

.company-svg {
    width: 100%;
    height: auto;
    max-height: 280px;
}

.company-intro-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed #eee;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #ff6b00;
}

.stat-label {
    font-size: 13px;
    color: #666;
}

.company-intro-text {
    padding: 20px 0;
}

.company-intro-body {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 25px;
}

.company-intro-body p {
    margin: 0 0 15px 0;
}

.company-intro-body p:last-child {
    margin-bottom: 0;
}

.company-intro-features {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.feature-item svg {
    flex-shrink: 0;
}

.company-intro-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 35px;
    background: linear-gradient(135deg, #ff6b00 0%, #ff8c42 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.company-intro-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

/* 公司简介板块移动端适配 */
@media (max-width: 768px) {
    .company-intro-section {
        padding: 50px 0;
    }
    
    .company-intro-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .company-intro-title {
        font-size: 22px;
        padding: 0 10px;
    }
    
    .company-intro-subtitle {
        font-size: 13px;
        padding: 0 15px;
    }
    
    .company-intro-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .company-intro-stats {
        gap: 15px;
    }
    
    .stat-number {
        font-size: 22px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .company-intro-body {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .company-intro-features {
        flex-wrap: wrap;
        gap: 15px;
        padding: 0 10px;
    }
    
    .company-intro-button {
        width: calc(100% - 20px);
        margin: 0 10px;
    }
}

/* 服务区域模块 */
.service-area-section {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 50%, #f5f5f5 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.service-area-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.1) 0%, transparent 60%);
}

.service-area-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    padding: 0;
    position: relative;
    z-index: 1;
}

.service-area-header {
    text-align: center;
    margin-bottom: 40px;
}

.service-area-title {
    font-size: 36px;
    font-weight: 700;
    color: #ff6600;
	text-align: center;
    margin: 0 0 15px 0;
}

.service-area-subtitle {
    font-size: 15px;
    color: #333;
    margin: 5px 0px 20px 0px;
	text-align: center;
    line-height: 1.6;
}

.service-area-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: left;
	margin: 20px 0 20px 0;
}

.service-area-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: #f1f1f1;
    color: #000;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-area-item:hover {
    background: #ff6600;
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* 服务区域模块移动端适配 */
@media (max-width: 768px) {
    .service-area-section {
        padding: 40px 0;
    }
    
    .service-area-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }
    
    .service-area-title {
        font-size: 22px;
        padding: 0 10px;
    }
    
    .service-area-subtitle {
        font-size: 13px;
        padding: 0 15px;
    }
    
    .service-area-item {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* 公司简介区域（GEO 优化）*/
.company-intro {
    background: white;
    padding: 60px 20px;
    text-align: center;
}

.company-intro .container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.company-intro h1 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    line-height: 1.4;
}

.company-intro p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 公司介绍引用模块 */
.intro-quote-section {
    background: white;
    padding: 40px 15px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-in-out;
}

.intro-quote-section.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

.quote-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 30px;
    position: relative;
}

.quote-mark {
    font-size: 80px;
    font-weight: bold;
    color: #667eea;
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.3;
}

.quote-left {
    opacity: 0.3;
}

.quote-right {
    opacity: 0.3;
    margin-left: auto;
    margin-top: auto;
    align-self: flex-end;
}

.quote-content {
    flex: 1;
    padding: 20px 0;
}

.quote-content h1 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.4;
}

.quote-content h1 .company-name {
    display: inline;
}

.quote-content h1 .company-slogan {
    display: inline;
}

.quote-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.quote-bottom-line {
    width: 300px;
    height: 2px;
    background: #333;
    margin-top: 30px;
}

/* 企业优势板块 */
.advantages-section {
    background: linear-gradient(135deg, #fff 0%, #fafafa 50%, #fff 100%);
    padding: 80px 0;
    position: relative;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ff6b00, transparent);
}

.advantages-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.advantages-header {
    text-align: center;
    margin-bottom: 50px;
}

.advantages-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.advantage-card {
    background: white;
    border-radius: 12px;
    padding: 30px 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border-top: 4px solid #ff6b00;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(255, 107, 0, 0.15);
}

.advantage-icon {
    margin-bottom: 20px;
}

.icon-label {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 107, 0, 0.1);
    color: #ff6b00;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 20px;
}

.advantage-content {
    padding-top: 10px;
}

.advantage-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px 0;
}

.advantage-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 工程实迹板块 */
.project-cases-section {
    background: linear-gradient(135deg, #01225f 0%, #11499e 50%, #031947 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.project-cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.5), transparent);
}

.project-cases-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.project-cases-header {
    text-align: center;
    margin-bottom: 50px;
}

.project-cases-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 15px 0;
}

.project-cases-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.project-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-case-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-case-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 107, 0, 0.3);
}

.project-case-link {
    display: block;
    text-decoration: none;
}

.project-case-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.project-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-case-card:hover .project-case-image img {
    transform: scale(1.05);
}

.project-case-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

.project-case-content {
    padding: 20px;
}

.project-case-content .project-case-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 10px 0;
    transition: color 0.3s ease;
}

.project-case-card:hover .project-case-content .project-case-title {
    color: #ff6b00;
}

.project-case-summary {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin: 0;
}

/* 首页文章模块样式 */
.articles-section {
    background: #f8f9fa;
    padding: 80px 0;
    width: 100%;
}

.articles-container {
    max-width: 75vw;
    width: 90%;
    margin: 0 auto;
}

.articles-section .section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.articles-section .section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.articles-section .articles-grid {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.articles-section .article-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.articles-section .article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.articles-section .article-content {
    padding: 25px;
}

.articles-section .article-title {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    line-height: 1.4;
}

.articles-section .article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.articles-section .article-title a:hover {
    color: #ff6600;
}

.articles-section .article-summary {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: calc(1.8em * 2);
}

.articles-section .article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 14px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.articles-section .read-more {
    color:#ff6600;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.articles-section .read-more:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* 查看更多按钮容器 */
.view-more-container {
    text-align: center;
    margin-top: 50px;
}

.view-more-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, #ff6600 0%, #ff0000 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.view-more-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .hero-slider {
        height: 400px;
    }

    .intro-quote-section {
        padding: 40px 15px;
    }

    .quote-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
        flex-direction: column;
        gap: 0;
    }

    .quote-content h1 {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .quote-content h1 .company-name {
        display: block;
    }

    .quote-content h1 .company-slogan {
        display: block;
        margin-top: 5px;
        font-weight: normal;
        color: #666;
    }

    /* 移动端引号样�?*/
    .quote-mark {
        font-size: 40px;
        margin: 0;
    }

    .quote-left {
        align-self: flex-start;
        margin-bottom: -10px;
    }

    .quote-right {
        align-self: flex-end;
        margin-top: -10px;
        margin-left: 0;
    }

    .quote-content {
        padding: 10px 0;
    }

    /* 企业优势板块移动端适配 */
    .advantages-section {
        padding: 50px 0;
    }

    .advantages-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }

    .advantages-title {
        font-size: 22px;
        padding: 0 10px;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .advantage-card {
        padding: 20px 15px;
    }

    .advantage-title {
        font-size: 16px;
    }

    .advantage-desc {
        font-size: 13px;
    }

    /* 工程实迹板块移动端适配 */
    .project-cases-section {
        padding: 50px 0;
    }

    .project-cases-container {
        width: 100%;
        max-width: 100%;
        padding: 0 8px;
    }

    .project-cases-title {
        font-size: 24px;
    }

    .project-cases-subtitle {
        font-size: 14px;
        padding: 0 10px;
    }

    .project-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .project-case-image {
        height: 140px;
    }

    .project-case-content {
        padding: 15px;
    }

    .project-case-content .project-case-title {
        font-size: 16px;
    }

    .project-case-summary {
        font-size: 13px;
    }

    .slide-content {
        width: 100%;
        padding: 0 8px;
    }

    .slide-content h1 {
        font-size: 36px;
    }

    .slide-content h2 {
        font-size: 26px;
    }

    .slide-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .slide-content .cta-button {
        padding: 5px 30px;
        font-size: 16px;
    }
}

/* ============================================
   服务项目展示区块 - 电脑端（10个，一行5列）
   ============================================ */

.service-projects-section-desktop {
    background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
    padding: 70px 0;
    display: block;
}

.service-projects-section-mobile {
    display: none;
}

.service-projects-container {
    width: 75%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

.service-projects-header {
    text-align: center;
    margin-bottom: 55px;
}

.service-projects-title {
    font-size: 34px;
    color: #222;
    font-weight: 700;
    margin: 0 0 18px 0;
    letter-spacing: 8px;
    position: relative;
}

.service-projects-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b00, #ff8c42);
    border-radius: 2px;
}

.service-projects-subtitle {
    font-size: 16px;
    color: #666;
    margin: 0;
    letter-spacing: 1px;
}

/* 服务项目网格 - 电脑端一行5列 */
.service-projects-grid-desktop {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}

/* 服务项目网格 - 移动端一行3列 */
.service-projects-grid-mobile {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

/* 服务项目卡片 */
.service-project-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.35s ease;
    border: 1px solid transparent;
}

.service-project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(255, 107, 0, 0.18);
    border-color: rgba(255, 107, 0, 0.3);
}

.service-project-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* 服务项目图片 */
.service-project-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.service-project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-project-card:hover .service-project-image img {
    transform: scale(1.1);
}

/* 图片占位�?*/
.service-project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.service-project-placeholder svg {
    width: 50px;
    height: 50px;
    color: #bbb;
}

/* 服务项目名称 */
.service-project-name {
    padding: 18px 14px;
    text-align: center;
    font-size: 15px;
    color: #333;
    font-weight: 600;
    background: #fff;
    transition: color 0.3s ease;
}

.service-project-card:hover .service-project-name {
    color: #ff6b00;
}

/* ============================================
   服务项目展示区块 - 移动端响应式
   ============================================ */

@media (max-width: 768px) {
    .service-projects-section-desktop {
        display: none;
    }

    .service-projects-section-mobile {
        display: block;
        background: #fff;
        padding: 45px 0;
    }

    .service-projects-container {
        width: 100%;
        padding: 0 12px;
    }

    .service-projects-header {
        margin-bottom: 35px;
    }

    .service-projects-title {
        font-size: 26px;
        letter-spacing: 5px;
    }

    .service-projects-title::after {
        width: 45px;
        height: 2px;
    }

    .service-projects-subtitle {
        font-size: 14px;
        padding: 0 10px;
    }

    .service-projects-grid-mobile {
        grid-template-columns: repeat(3, 1fr);
        gap: 14px;
    }

    .service-project-card {
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .service-project-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(255, 107, 0, 0.12);
    }

    .service-project-name {
        font-size: 13px;
        padding: 14px 10px;
    }

    .service-project-placeholder svg {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .service-projects-section-mobile {
        padding: 35px 0;
    }

    .service-projects-grid-mobile {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .service-projects-title {
        font-size: 22px;
        letter-spacing: 4px;
    }

    .service-project-name {
        font-size: 12px;
        padding: 12px 8px;
    }
}

/* 文章模块移动端适配 */
@media (max-width: 768px) {
    .articles-section {
        padding: 40px 0;
    }
    
    .articles-container {
        width: 100%;
        max-width: 100%;
        padding: 0 12px;
    }
    
    .articles-section .section-title {
        font-size: 22px;
    }
    
    .articles-section .section-subtitle {
        font-size: 13px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .articles-section .article-content {
        padding: 16px;
    }
    
    .articles-section .article-title {
        font-size: 16px;
    }
    
    .articles-section .article-summary {
        font-size: 13px;
        height: calc(1.6em * 2);
    }
    
    .articles-section .article-meta {
        font-size: 12px;
    }
    
    .equipment-card {
        padding: 16px;
    }
    
    .equipment-name {
        font-size: 14px;
    }
    
    .equipment-desc {
        font-size: 11px;
    }
    
    .equipment-list li {
        font-size: 11px;
        padding: 3px 0;
    }
}